12654449 has 2 divisors, whose sum is σ = 12654450. Its totient is φ = 12654448.

The previous prime is 12654413. The next prime is 12654503. The reversal of 12654449 is 94445621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11343424 + 1311025 = 3368^2 + 1145^2 .

It is an emirp because it is prime and its reverse (94445621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12654449 - 2¹² = 12650353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12654149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6327224 + 6327225.

It is an arithmetic number, because the mean of its divisors is an integer number (6327225).

Almost surely, 2^12654449 is an apocalyptic number.

It is an amenable number.

12654449 is a deficient number, since it is larger than the sum of its proper divisors (1).

12654449 is an equidigital number, since it uses as much as digits as its factorization.

12654449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 35.

The square root of 12654449 is about 3557.3092359254. The cubic root of 12654449 is about 233.0313833466.

The spelling of 12654449 in words is "twelve million, six hundred fifty-four thousand, four hundred forty-nine".